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Sticker of Palemouth
Bug card No. 3239 of 4,939

Palemouth

Brachydiplax denticauda
Name means: “toothed tail”

The palemouth is a small dragonfly. The male is bright powder blue all over its body, and it has a pale cream upper lip. That pale mouth is how it got its name.

Lives in
Australia, Indonesia, Papua New Guinea and the Solomon Islands, near still and slow water
Wingspan
4 to 6 cm (1.6 to 2.4 in)
Top speed
about 40 km/h (25 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. Dragonflies have no sting, so you can just enjoy watching it.
What does it eat?
It catches small flying insects in the air, like other dragonflies do.
For real!Photo of Palemouth
Picture by G. Winterflood. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Palemouth wings about 6 cm tip to tip (2.4 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)
wings as wide as 2 toy building brickscould fly across a whole football pitch in 9.5 seconds

How big is Palemouth compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

Its wings measure 40 to 60 millimetres from tip to tip.

2

Even though the male is bright blue, people often stop seeing it once it lands on a lily pad.

3

Its scientific name denticauda means toothed tail, because the male has tiny teeth on the tip of its tail.

4

In northern Australia it lives along the coast in a long curve from Queensland to Broome.

you asked

Most asked questions about Palemouth

?Why is it called the palemouth?

Because its upper lip is a pale cream colour.

?How big is the palemouth?

It is a small dragonfly. Its wingspan is about 4 to 6 centimetres.

?Is the palemouth dangerous?

No. Dragonflies have no sting and it is harmless to people.

For bug experts

Scientific name
Brachydiplax denticauda
Group
Dragonflies and damselflies
Family
Libellulidae
Classification
Insecta > Odonata > Libellulidae
Lives on
Australia and Oceania, Asia

Where the facts come from

  1. Brachydiplax denticauda (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by G. Winterflood. CC BY-SA 4.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

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More from the same group: Dragonflies and damselflies

Also at home here: Ponds, rivers and shores

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